8 channels HD Digital Video Recorder records professional quality widescreen video for up to eight cameras. Multichannel playback function as well as searching and downloading. Compatible with all 1080P, 960P, 720P ,TVI, AHD, CVI and Traditional Analog Cameras. Not Compatible with HD-SDI and Over 2.4MP Security Cameras. 8TB Hard Drive memory storage is installed for recording. View live and recorded video on multiple devices, such as smartphone, tablet or PC. With the free Application, you can view your system on iOS/Android phone and you can also use a web browser or CMS Client Software on your PC to access your security cameras. DVR supports the following recording modes: Continuous / Manual / Motion / Schedule Recording Modes. Motion detection & Email alert function: by customizing settings you can use this function to receive email alert when there is an unexpected motion detected. One Year Warranty and Free Technical Support.